JPH0472999U - - Google Patents

Info

Publication number
JPH0472999U
JPH0472999U JP11712690U JP11712690U JPH0472999U JP H0472999 U JPH0472999 U JP H0472999U JP 11712690 U JP11712690 U JP 11712690U JP 11712690 U JP11712690 U JP 11712690U JP H0472999 U JPH0472999 U JP H0472999U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
work vehicle
proportional valve
aerial work
highest position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11712690U
Other languages
Japanese (ja)
Other versions
JPH0724397Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11712690U priority Critical patent/JPH0724397Y2/en
Publication of JPH0472999U publication Critical patent/JPH0472999U/ja
Application granted granted Critical
Publication of JPH0724397Y2 publication Critical patent/JPH0724397Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は高所作業車全体側面図、第２図は油圧
回路図、第３図は制御ブロツク図、第４図は警報
フローチヤートである。 Ｂ……台車、Ｃ……昇降装置、２……油圧シリ
ンダー、２１……制御回路、３１……警報ランプ
、３２……ブザー、３４……圧力センサー、３９
……昇降レバー、４５……電磁比例弁。 Fig. 1 is a side view of the entire aerial work vehicle, Fig. 2 is a hydraulic circuit diagram, Fig. 3 is a control block diagram, and Fig. 4 is an alarm flowchart. B...Dolly, C...Lifting device, 2...Hydraulic cylinder, 21...Control circuit, 31...Warning lamp, 32...Buzzer, 34...Pressure sensor, 39
... Lifting lever, 45 ... Solenoid proportional valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 台車Ｂ上に油圧シリンダーにて昇降するシザー
スリンク式の昇降装置Ｃを設け、昇降レバー３９
の回動により制御回路２１を介して電磁比例弁４
５を切り換えて油圧シリンダー２を伸縮する高所
作業車において、電磁比例弁４５と油圧シリンダ
ー２の間に圧力センサー３４を設けて最上昇位置
を検知し、最上昇位置から設定時間後に警報を発
すべく構成したことを特徴とする高所作業車の上
昇端警報装置。 A scissor link type lifting device C that is raised and lowered by a hydraulic cylinder is provided on the trolley B, and a lifting lever 39 is provided.
The rotation of the electromagnetic proportional valve 4 via the control circuit 21
In an aerial work vehicle that extends and retracts the hydraulic cylinder 2 by switching 5, a pressure sensor 34 is provided between the electromagnetic proportional valve 45 and the hydraulic cylinder 2 to detect the highest position and issue an alarm after a set time from the highest position. A rising end warning device for an aerial work vehicle, characterized in that it is configured as follows.
JP11712690U 1990-11-06 1990-11-06 Raising-end warning device for aerial work vehicles Expired - Lifetime JPH0724397Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11712690U JPH0724397Y2 (en) 1990-11-06 1990-11-06 Raising-end warning device for aerial work vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11712690U JPH0724397Y2 (en) 1990-11-06 1990-11-06 Raising-end warning device for aerial work vehicles

Publications (2)

Publication Number Publication Date
JPH0472999U true JPH0472999U (en) 1992-06-26
JPH0724397Y2 JPH0724397Y2 (en) 1995-06-05

Family

ID=31865002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11712690U Expired - Lifetime JPH0724397Y2 (en) 1990-11-06 1990-11-06 Raising-end warning device for aerial work vehicles

Country Status (1)

Country Link
JP (1) JPH0724397Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010076888A (en) * 2008-09-25 2010-04-08 Toyota Industries Corp Cargo handling vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010076888A (en) * 2008-09-25 2010-04-08 Toyota Industries Corp Cargo handling vehicle

Also Published As

Publication number Publication date
JPH0724397Y2 (en) 1995-06-05

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